chameleon style crashes systemsettings5

[sommerluk]

Steps to reproduce:

Execute the KDE system settings application like this to use the chameleon style:

systemsettings5 --style chameleon

Expected result:

It simply runs.

Actual result:

It seems that the chameleon style crashes:

Application: Systemeinstellungen (systemsettings5), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f347064e0c4 in QObject::objectName() const () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3469ae9986 in chameleon::ChameleonStyle::drawControl(QStyle::ControlElement, QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libchameleon.so
#6  0x00007f3469ae3d80 in chameleon::ChameleonStyle::drawComplexControl(QStyle::ComplexControl, QStyleOptionComplex const*, QPainter*, QWidget const*) const () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libchameleon.so
#7  0x00007f3450b5175f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#8  0x00007f3450b52747 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#9  0x00007f346fc2e9c5 in QQuickWindowPrivate::polishItems() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f346fcb5f42 in QQuickRenderControl::polishItems() () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f346ff5a9b9 in ?? () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#12 0x00007f3471259064 in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f3471215783 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f34706237ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f347125045e in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f3471254ef7 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f34712580d3 in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f3471254e81 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f3471254f13 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f3471254e99 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f3471254f13 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f34712580d3 in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f3471254e81 in QWidgetPrivate::showChildren(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f3471254f13 in QWidgetPrivate::show_helper() () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f34712580d3 in QWidgetPrivate::setVisible(bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x000055b2fc2604c7 in ?? ()
#27 0x000055b2fc261ff8 in ?? ()
#28 0x00007f347065110c in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f3471e01bcd in KXmlGuiWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#30 0x00007f3471215783 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f34706237ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f34706267e1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f347067dba7 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f346e2d48eb in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f346e327d28 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f346e2d2023 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f347067d204 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f347062211b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f347062a604 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x000055b2fc259d4b in ?? ()
#41 0x00007f346ff8e565 in __libc_start_main (main=0x55b2fc2591e0, argc=3, argv=0x7ffc89423de8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc89423dd8) at ../csu/libc-start.c:332
#42 0x000055b2fc25a9ae in _start ()
[Inferior 1 (process 18146) detached]

System information:

Operating System: Kubuntu 21.04
KDE Plasma Version: 5.21.4
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
Kernel Version: 5.11.0-49-generic
OS Type: 64-bit
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-7700HQ CPU @ 2.80GHz
Memory: 7.6 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 630

[sommerluk]

There are also yet about 10 bug reports about this at the KDE bug tracker which have been closed as problem of the chameleon style, recommending to report the issue right here.

[kegechen]

the version of dde-qt5integration ? may be fixed, it's work good on lasted version(5.5.22)

[kegechen]

the version of dde-qt5integration ? may be fixed, it's work good on lasted version(5.5.22)

fix here, dde-qt5integration >= 5.1.0.13
7998fc9

[sommerluk]

Confirming that this is solved in 5.5.17.

Closing.